.nav_left_wrap {
  width: 75px;
  height: 225px;
  position: fixed;
  top: 50%;
  left: 50%;
  margin-left: -675px;
  margin-top: -112.5px;
  display: none;
}

.nav_left_wrap>img {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  margin: auto;
  width: 40px;
}

.nav_left_wrap>ul {
  width: 100%;
  height: 192px;
  margin-top: 32px;
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  background-color: #fff;
  border: 1px solid rgba(210, 209, 209, 0.856);
  box-sizing: border-box;
}

.nav_left_wrap>ul li {
  text-align: center;
  width: 100%;
  height: 30px;
  line-height: 30px;
  border-bottom: 1px solid rgba(210, 209, 209, 0.856);
  box-sizing: border-box;
}

.nav_left_wrap>ul li:nth-child(5),
.nav_left_wrap>ul li:nth-child(6) {
  border: none;
}

.nav_left_wrap>ul li>a {
  display: inline-block;
  width: 100%;
  height: 100%;
}

.nav_left_wrap>ul li:first-child>a {
  color: #fff;
  background-color: rgb(255, 102, 0);
}

.nav_left_wrap>ul li:hover {
  background-color: rgb(255, 102, 0);
}

.nav_left_wrap>ul li:hover a {
  color: #fff;
}